In a 45-45-90 right triangle the hypotenuse is always equal to the measure of one of the legs times √2 call "n" the measure of one of the legs n√2=5 n=5/√2 multiply both terms by √2 n=5√2/2, or... n=2.5(1.4142136) n=3.5355339 cm (round as needed)
